30074720 has 96 divisors (see below), whose sum is σ = 80650080. Its totient is φ = 10506240.

The previous prime is 30074699. The next prime is 30074773. The reversal of 30074720 is 2747003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39140 + ... + 39900.

It is an arithmetic number, because the mean of its divisors is an integer number (840105).

Almost surely, 2^30074720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30074720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40325040).

30074720 is an abundant number, since it is smaller than the sum of its proper divisors (50575360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30074720 is a wasteful number, since it uses less digits than its factorization.

30074720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 30074720 is about 5484.0423047238. The cubic root of 30074720 is about 310.9810060670.

The spelling of 30074720 in words is "thirty million, seventy-four thousand, seven hundred twenty".